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What does “where T : class, new()” mean?
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edited May 20 '13 at 5:32
David Yaw
25.1k44 gold badges5656 silver badges8787 bronze badges
answered ...
How to override and extend basic Django admin templates?
...ound a nice template loader on djangosnippets.org that makes this easy. It allows you to extend a template in a specific app, giving you the ability to create your own admin/index.html that extends the admin/index.html template from the admin app. Like this:
{% extends "admin:admin/index.html" %}
{...
How to refresh Android listview?
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Call notifyDataSetChanged() on your Adapter object once you've modified the data in that adapter.
Some additional specifics on how/when to call notifyDataSetChanged() can be viewed in this Google I/O video.
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How to get current time and date in Android
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+1 This was very helpful. Being new it's all these little tidbits we need ... I'm using Calendar to get the Julian date. Much easier than getting milliseconds and figuring out if the value equals today ;)
– Bill Mote
Apr 6 '11...
How do I temporarily disable triggers in PostgreSQL?
I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis.
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HTML - how can I show tooltip ONLY when ellipsis is activated
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If you want the tooltip automatically removed if the text is no longer overflowing modify to: $(document).on('mouseenter', '.mightOverflow', function() { var $t = $(this); var title = $t.attr('title'); if (!title){ if (this.offsetWidth < this.scro...
What's the difference between a single precision and double precision floating point operation?
...as the greater data precision available with 64-bit data types is not typically required by 3D games, as well as the fact that processing 64-bit data uses twice as much RAM, cache, and bandwidth, thereby reducing the overall system performance.
From Webopedia:
The term double precision is some...
How to fix Git error: object file is empty?
... the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories:
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full
Checking object directories: 100% (256/256)...
How to handle multiple cookies with the same name?
...nger paths are listed before cookies with shorter paths.
NOTE: Not all user agents sort the cookie-list in this order, but this
order reflects common practice when this document was written, and,
historically, there have been servers that (erroneously) depended on
this order.
There i...
CMake: Print out all accessible variables in a script
I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts.
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